Home / 1,560,219.40-2,340,329.10-1,321,070.95

Finding the Fourth Proportional to 1,560,219.40, 2,340,329.10 and 1,321,070.95

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Solution

The fourth proportional to 1,560,219.40, 2,340,329.10 and 1,321,070.95 is: 1,981,606.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,219.40 : 2,340,329.10 = 1,321,070.95 : x
  2. Step 2: Convert to fraction form
    1,560,219.40/2,340,329.10 = 1,321,070.95/x
  3. Step 3: Cross multiply
    1,560,219.40x = 2,340,329.10 × 1,321,070.95
  4. Step 4: Simplify right side
    1,560,219.40x = 3,091,740,787,449.65
  5. Step 5: Solve for x
    x = 3,091,740,787,449.65/1,560,219.40
  6. Step 6: Final answer
    x = 1,981,606.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.